<!DOCTYPE html>
<html lang="en">
   
    <head>
      <title>my</title>
      <meta charset="utf-8"> 
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body style="background-color: #fff;">
        <div id="app"></div>
    </body>

</html>